EP0490521A3 - Making packets of amorphous metal strip - Google Patents

Making packets of amorphous metal strip Download PDF

Info

Publication number
EP0490521A3
EP0490521A3 EP19910310921 EP91310921A EP0490521A3 EP 0490521 A3 EP0490521 A3 EP 0490521A3 EP 19910310921 EP19910310921 EP 19910310921 EP 91310921 A EP91310921 A EP 91310921A EP 0490521 A3 EP0490521 A3 EP 0490521A3
Authority
EP
European Patent Office
Prior art keywords
metal strip
amorphous metal
making packets
packets
making
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19910310921
Other versions
EP0490521A2 (en
EP0490521B1 (en
Inventor
Willi Klappert
David R. Freeman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Publication of EP0490521A2 publication Critical patent/EP0490521A2/en
Publication of EP0490521A3 publication Critical patent/EP0490521A3/en
Application granted granted Critical
Publication of EP0490521B1 publication Critical patent/EP0490521B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H01F41/0233—Manufacturing of magnetic circuits made from sheets
    • H01F41/024—Manufacturing of magnetic circuits made from deformed sheets
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49075—Electromagnet, transformer or inductor including permanent magnet or core
    • Y10T29/49078—Laminated
EP91310921A 1990-12-12 1991-11-27 Making packets of amorphous metal strip Expired - Lifetime EP0490521B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US626213 1990-12-12
US07/626,213 US5063654A (en) 1990-12-12 1990-12-12 Method for making packets of amorphous metal strip for transformer-core manufacture

Publications (3)

Publication Number Publication Date
EP0490521A2 EP0490521A2 (en) 1992-06-17
EP0490521A3 true EP0490521A3 (en) 1992-08-05
EP0490521B1 EP0490521B1 (en) 1995-06-14

Family

ID=24509435

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91310921A Expired - Lifetime EP0490521B1 (en) 1990-12-12 1991-11-27 Making packets of amorphous metal strip

Country Status (6)

Country Link
US (1) US5063654A (en)
EP (1) EP0490521B1 (en)
JP (1) JP2593602B2 (en)
CA (1) CA2048751C (en)
DE (1) DE69110432T2 (en)
MX (1) MX9102521A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5329270A (en) * 1992-06-26 1994-07-12 General Electric Company Transformer core comprising groups of amorphous steel strips wrapped about the core window
US5347706A (en) * 1992-06-26 1994-09-20 General Electric Company Method for making packets of amorphous steel strip for transformer core manufacture
US7057489B2 (en) * 1997-08-21 2006-06-06 Metglas, Inc. Segmented transformer core
US6374480B1 (en) 1998-05-13 2002-04-23 Abb Inc. Method and apparatus for making a transformer core from amorphous metal ribbons
US6668444B2 (en) * 2001-04-25 2003-12-30 Metglas, Inc. Method for manufacturing a wound, multi-cored amorphous metal transformer core
US9824818B2 (en) * 2011-10-19 2017-11-21 Keith D. Earhart Method of manufacturing wound transformer core
CN109285688B (en) * 2018-09-11 2020-06-19 南京机电职业技术学院 Automatic positioning and clamping mechanism for transformer assembly

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2486220A (en) * 1947-10-18 1949-10-25 Gen Electric Magnetic core
FR1366176A (en) * 1963-05-30 1964-07-10 Improvements in the manufacture of magnetic casings for transformers and similar devices
US3215966A (en) * 1962-08-20 1965-11-02 Sylvania Electric Prod Laminated inductor core element having fused metal bonds across its edges and method of making same
US3220291A (en) * 1961-11-13 1965-11-30 Porter Co Inc H K Apparatus for sizing and cutting strip core material
CH416817A (en) * 1964-06-17 1966-07-15 Breitmeier Max Magnetic core, especially for transformers or chokes
EP0461829A1 (en) * 1990-06-11 1991-12-18 General Electric Company Method of making a transformer core

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4413406A (en) * 1981-03-19 1983-11-08 General Electric Company Processing amorphous metal into packets by bonding with low melting point material
US4734975A (en) * 1985-12-04 1988-04-05 General Electric Company Method of manufacturing an amorphous metal transformer core and coil assembly
JPS6328589U (en) * 1986-08-12 1988-02-25
US4942798A (en) * 1989-04-06 1990-07-24 General Electric Company Apparatus for shear-cutting a stack of amorphous steel sheets

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2486220A (en) * 1947-10-18 1949-10-25 Gen Electric Magnetic core
US3220291A (en) * 1961-11-13 1965-11-30 Porter Co Inc H K Apparatus for sizing and cutting strip core material
US3215966A (en) * 1962-08-20 1965-11-02 Sylvania Electric Prod Laminated inductor core element having fused metal bonds across its edges and method of making same
FR1366176A (en) * 1963-05-30 1964-07-10 Improvements in the manufacture of magnetic casings for transformers and similar devices
CH416817A (en) * 1964-06-17 1966-07-15 Breitmeier Max Magnetic core, especially for transformers or chokes
EP0461829A1 (en) * 1990-06-11 1991-12-18 General Electric Company Method of making a transformer core

Also Published As

Publication number Publication date
JPH04332110A (en) 1992-11-19
EP0490521A2 (en) 1992-06-17
CA2048751C (en) 2001-04-17
DE69110432T2 (en) 1996-03-07
JP2593602B2 (en) 1997-03-26
US5063654A (en) 1991-11-12
EP0490521B1 (en) 1995-06-14
CA2048751A1 (en) 1992-06-13
MX9102521A (en) 1992-06-01
DE69110432D1 (en) 1995-07-20

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